12 letters · 24 points in Scrabble
originFrom Ancient Greek ὑποκοριστικός (hupokoristikós), from ὑποκορίζομαι (hupokorízomai, “to speak in the language of children”), from ὑπό (hupó, “below”) + κορίζομαι (korízomai, “to act like a girl”), from κόρη (kórē, “girl”).
Etymology from Wiktionary, CC BY-SA 3.0